<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <!-- JQuery -->
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <title>Document</title>
    <script src="./js/homework_0709.js"></script>

    <style>
        .img {
            position: absolute;
            top: 150px;
            left: 300px;
        }

        .img_bottom {
            z-index: 0;
        }

        .img_top {
            z-index: 400;
        }

        #num {
            position: absolute;
            top: 450px;
            left: 1000px;
            z-index: 9999;

        }

        .num:hover {
            background-color: yellow;
            border: none;

        }
    </style>

    <script src="./js/homework_0709.js"></script>
       
</head>

<body>

    <div id="all">
        <!-- 图片 -->
        <div id="all_img">

            <img src="./pict/a1.jpeg" alt="" id="img_01" class="img">
            <img src="./pict/a2.jpeg" alt="" id="img_02" class="img">
            <img src="./pict/a3.jpeg" alt="" id="img_03" class="img">


        </div>

        <!-- 数字导播 -->
        <div id="num">
            <input type="button" value="1" class="num" id="num_1">
            <input type="button" value="2" class="num" id="num_2">
            <input type="button" value="3" class="num" id="num_3">

        </div>



        
    </div>

</body>

</html>